*{ margin:0; padding:0;}
.error_main{ width:716px; height:609px; background:url(../images/404.jpg) no-repeat center; margin:0 auto;}
.btn{ width:193px; height:51px; float:right; background:url(../images/buttton_404.jpg) no-repeat  center; border:none; position:relative; top:430px;}
